Cefazolin Overview and Pharmacology
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Questions and Answers

What is the primary use of Cefazolin?

  • Pain management
  • Surgical prophylaxis (correct)
  • Treatment of viral infections
  • Prevention of fungal infections
  • How is Cefazolin primarily eliminated from the body?

  • Biliary excretion
  • Renal elimination (correct)
  • Pulmonary exhalation
  • Hepatic metabolism
  • What is the stability of Cefazolin against beta-lactamase compared to Penicillins?

  • Completely resistant
  • More stable (correct)
  • More unstable
  • Equally stable
  • What type of administration is used for Cefazolin?

    <p>Intravenous infusion</p> Signup and view all the answers

    Which statement about Cefazolin is correct regarding cross-sensitivity?

    <p>Cross-sensitivity with all beta-lactams</p> Signup and view all the answers

    What is a significant characteristic of Cefazolin in relation to gastric acid?

    <p>It is an IV agent that is destroyed by gastric acid.</p> Signup and view all the answers

    Which of the following statements about dosage adjustments for Cefazolin is accurate?

    <p>Renal impairment necessitates dosage adjustments.</p> Signup and view all the answers

    In terms of resistance to beta-lactamase, Cefazolin is considered:

    <p>More resistant than Penicillins.</p> Signup and view all the answers

    For what purpose is Cefazolin frequently used?

    <p>Surgical prophylaxis.</p> Signup and view all the answers

    Which of these scenarios would likely indicate a cross-sensitivity concern with Cefazolin?

    <p>A patient with a history of allergic reaction to Penicillins.</p> Signup and view all the answers

    Study Notes

    Cefazolin Overview

    • Cefazolin, marketed as Ancef®, is an intravenous (IV) antibiotic.
    • Frequently utilized for surgical prophylaxis to prevent infections during and after procedures.

    Pharmacological Characteristics

    • More resistant to beta-lactamase enzymes compared to penicillins (PCNs), enhancing effectiveness in certain infections.
    • Administered IV as oral forms would be destroyed by gastric acid, ensuring drug stability and efficacy.

    Pharmacokinetics

    • Renally eliminated, requiring dose adjustments in patients with renal impairment to avoid toxicity.
    • Inactivated by beta-lactamase, though it demonstrates greater stability than traditional penicillins.

    Clinical Considerations

    • Potential for cross-sensitivity with other beta-lactam antibiotics, necessitating careful patient history review for allergies.

    Cefazolin Overview

    • Cefazolin, marketed as Ancef®, is an intravenous (IV) antibiotic.
    • Frequently utilized for surgical prophylaxis to prevent infections during and after procedures.

    Pharmacological Characteristics

    • More resistant to beta-lactamase enzymes compared to penicillins (PCNs), enhancing effectiveness in certain infections.
    • Administered IV as oral forms would be destroyed by gastric acid, ensuring drug stability and efficacy.

    Pharmacokinetics

    • Renally eliminated, requiring dose adjustments in patients with renal impairment to avoid toxicity.
    • Inactivated by beta-lactamase, though it demonstrates greater stability than traditional penicillins.

    Clinical Considerations

    • Potential for cross-sensitivity with other beta-lactam antibiotics, necessitating careful patient history review for allergies.

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    Description

    This quiz covers the essential aspects of Cefazolin, including its pharmacological characteristics, pharmacokinetics, and clinical considerations. Learn about its use in surgical prophylaxis, resistance to beta-lactamase, and implications for renal impairment. Test your knowledge of this crucial intravenous antibiotic.

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